|
|
Smithsonian Digital Repository >
Browsing by Author Simpson, Robert L.
Showing results 3 to 13 of 13
| Issue Date | Title | Author(s) | | 1979 | Distribution of seeds, seedlings, and established plants of Arrow Arum (Peltandra virginica (L.) Kunth) in a freshwater tidal wetland | Whigham, Dennis F.; Simpson, Robert L.; Leck, M. A. |
| 1983 | Ecology of freshwater tidal wetlands | Simpson, Robert L.; Good, Ralph E.; Leck, M. A.; Whigham, Dennis F. |
| 1980 | The effect of sewage effluent on the structure and function of a freshwater tidal marsh ecosystem | Whigham, Dennis F.; Simpson, Robert L.; Lee, Kwak; |
| 1982 | Germination and dormancy studies of Pontederia cordata L | Whigham, Dennis F.; Simpson, Robert L. |
| 1977 | Growth, mortality, and biomass partitioning in freshwater tidal wetland populations of wild rice (Zizania aquatica var aquatica) | Whigham, Dennis F.; Simpson, Robert L. |
| 1979 | Mid-summer insect communities of freshwater tidal wetland macrophytes | Simpson, Robert L.; Whigham, Dennis F.; Brannigan, K. |
| 1978 | Nutrient movement in freshwater tidal wetlands with special reference to Delaware River wetlands | Simpson, Robert L.; Whigham, Dennis F.; Walker, R.; Good, Ralph E.; Whigham, Dennis F.; Simpson, Robert L. |
| 1988 | Plants of the Hamilton Marshes: A Delaware River freshwater tidal wetland | Leck, Mary A.; Simpson, Robert L.; Whigham, Dennis F.; Leck, Charles F. |
| 1976 | The potential use of tidal marshes in the managementof water quality in the Delaware River | Whigham, Dennis F.; Simpson, Robert L.; Tourbier, J.; Pierson, R., Jr. |
| 1978 | Relationship between aboveground and belowground biomass of freshwater tidal wetland macrophytes | Whigham, Dennis F.; Simpson, Robert L. |
| 1976 | Sewage spray irrigation in a Delaware River freshwater tidal marsh | Whigham, Dennis F.; Simpson, Robert L.; Tilton, D.; Kadlec, J.; Richardson, C. J. |
Showing results 3 to 13 of 13
|
